Solar cell detection device

Abstract

The invention relates to the technical field of solar cells, in particular to a solar cell detection device which comprises a base plate installed at the top of a supporting box and connecting frames fixed to the two ends of the base plate and fixed to the supporting box. The moving assembly comprises a supporting plate arranged at the top of the base plate and a traction block fixed to one end of the bottom of the supporting plate, a rotating groove in sliding connection with the traction block is formed in the top of the base plate, a lead screw is arranged on the inner side of the rotating groove, the two ends of the lead screw are rotationally connected with the base plate through bearings, and the lead screw penetrates through the traction block and is in threaded connection with the traction block. According to the invention, the omission risk of the edge or central area is reduced, the detection efficiency of the battery piece is improved, multiple times of measurement of the battery piece by manual assistance is avoided, the personal error is reduced, the application range of the detection device can be expanded, the flexibility of the detection device is enhanced, and the detection precision and the production quality of the battery piece are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of solar cells, in particular to a solar cell detection device. BACKGROUND

[0002] The solar cell is a semiconductor wafer made of single / multicrystalline silicon wafer that can convert solar energy into electrical energy, and the cell needs to be detected after processing to ensure the quality of the cell. When the cell is detected, the cell is usually placed on a workbench, and the image of the area irradiated by the camera is transmitted to the display screen through the data connection line, and the worker analyzes and judges the results. However, the area of the existing workbench is mostly fixed, which causes some cells to be unable to be fully detected, and manual assistance is required for multiple measurements, which affects the work efficiency, and the cell needs to be fixed during detection to reduce the influence of external unfavorable conditions on the detection process. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the present application provides a solar cell detection device, which solves the problem of the prior art that cannot fully detect the cell and affects the detection efficiency.

[0004] To solve the above technical problems, the present application provides the following technical scheme: a solar cell detection device, comprising a base plate mounted on the top of a support box, and a connecting frame fixed at both ends of the base plate and fixed with the support box, the connecting frame is provided with a moving assembly for adjusting the detection position of the cell, the moving assembly comprises a support plate provided on the top of the base plate, and a traction block fixed at one end of the bottom of the support plate, a rotating groove in sliding connection with the traction block is formed on the top of the base plate, and a lead screw is arranged on the inner side of the rotating groove, both ends of the lead screw are rotatably connected with the base plate through bearings, the lead screw penetrates through the traction block and is screw connected, two symmetrical positioning blocks are arranged at the other end of the bottom of the support plate, a driving assembly for driving the lead screw to rotate and drive the support plate to move is arranged at the bottom of the base plate, and a positioning assembly for limiting the position of the cell is arranged on the support plate.

[0005] As a further optimization scheme of the present application, the driving assembly comprises a motor arranged at one end of the bottom of the base plate, the motor is fixedly installed on the connecting frame, and a driving wheel is fixedly arranged on the output shaft of the motor.

[0006] As a further optimization scheme of the present application, a belt is drivenly arranged on the driving wheel, and a driven wheel fixedly arranged at one end of the lead screw is drivenly arranged on the top of the belt.

[0007] As a further optimization scheme of the present application, the positioning assembly comprises two limiting plates integrally formed on both sides of the top of the support plate respectively, and the two limiting plates are provided with clamping plates on the side close to each other, and the clamping plates are bonded with rubber plates on one side.

[0008] As a further optimization scheme of the present application, the two limiting plates are provided with connecting plates on the side away from each other, and the connecting plates are fixedly provided with push rods at both ends, and the push rods are fixedly connected with the clamping plates at one end.

[0009] As a further optimization scheme of the present application, the connecting plates are threadedly connected with threaded shafts at the middle part, the threaded shafts are rotatably connected with the limiting plates at one end through bearings, and the threaded shafts are fixedly provided with rotating blocks at the end away from the limiting plates.

[0010] As a further optimization scheme of the present application, the top of the support box is provided with a detection assembly for comprehensive detection of the battery sheet, and the detection assembly comprises a beam plate fixedly installed on the support box, and a detection box fixedly provided on the beam plate.

[0011] As a further optimization scheme of the present application, the inner side of the detection box is detachably installed with a detection camera, and the top of the beam plate is fixedly installed with a display screen for displaying the detection data of the battery sheet.

[0012] By the above technical scheme, the present application provides a solar cell sheet detection device, which has at least the following beneficial effects compared with the prior art: 1. The present application adjusts the actual detection position of the battery sheet by setting the moving assembly, fixes the battery sheet of different specifications on the support plate through the positioning assembly, drives the support plate to move through the driving assembly, and then comprehensively detects the battery sheet through the detection assembly, which helps to reduce the risk of omission of the edge or center area, improves the detection efficiency of the battery sheet, avoids the need for manual assistance for multiple measurements, reduces human error, and also expands the application range of the detection device and enhances the flexibility of the detection device.

[0013] 2. The present application fixes the battery sheet on the support plate by setting the positioning assembly, clamps and fixes the battery sheet by moving the two clamping plates respectively, so that the battery sheet is more stable when detected by the detection assembly, avoids the detection deviation caused by the movement of the battery sheet, improves the overall reliability, and improves the detection precision and production quality of the battery sheet.

[0014] 3. The present application drives the support plate to move at the bottom of the detection assembly by setting the driving assembly, can automatically adjust the position of the battery sheet to align with the detection camera, avoids the partial area from being not scanned due to the position deviation, ensures the comprehensiveness of the battery sheet detection, and improves the accuracy and stability of the battery sheet detection. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are intended to provide further understanding of the present application, form a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings: Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is a schematic diagram of the structure of the positioning assembly of the present application; Figure 3 is a schematic diagram of the bottom view of the support plate of the present application; Figure 4 is a schematic diagram of the partial structure of the driving assembly of the present application.

[0016] In the drawings: 1, support box; 2, base plate; 3, connecting frame; 4, moving assembly; 41, support plate; 42, traction block; 43, rotating groove; 44, lead screw; 45, positioning block; 46, driving assembly; 461, motor; 462, driving wheel; 463, belt; 464, driven wheel; 47, positioning assembly; 471, limiting plate; 472, clamping plate; 473, rubber plate; 474, connecting plate; 475, push rod; 476, threaded shaft; 477, rotating block; 5, detection assembly; 51, beam plate; 52, detection box; 53, detection camera; 54, display screen. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] First embodiment The existing TOPCon cell combines the N-type silicon substrate cell structure, and the ultra-thin silicon oxide and doped silicon thin layer carefully prepared on the back of the cell together constitute a passivation contact, which significantly reduces the surface recombination and metal contact recombination. Since some cell pieces are difficult to be detected comprehensively at present, manual assistance is needed for multiple measurements, which affects the detection efficiency. In order to detect the cell piece more comprehensively and reduce the risk of omission of the edge or center area, with reference to Figure 1 - Figure 4The embodiment provides a solar cell detection device which is composed of a support box 1, a base plate 2, connecting frames 3, a moving assembly 4 and a detection assembly 5, the base plate 2 is fixedly installed at the top of the support box 1, the connecting frames 3 are arranged to be two and are fixed at two ends of the base plate 2 and are fixedly connected with the support box 1, the moving assembly 4 is arranged on the connecting frame 3 and is provided with a cell detection position adjusting device, and self-locking universal wheels are further fixedly installed at the bottom of the support box 1, so that the movement of the whole detection device is facilitated.

[0019] In order to avoid the need for manual assistance for multiple measurements, reduce human error, the moving assembly 4 includes a support plate 41 arranged at the top of the base plate 2, and a traction block 42 fixed at one end of the bottom of the support plate 41, a rotating groove 43 in sliding connection with the traction block 42 is formed at the top of the base plate 2, and a lead screw 44 is arranged on the inner side of the rotating groove 43, both ends of the lead screw 44 are rotatably connected with the base plate 2 through bearings, the lead screw 44 penetrates the traction block 42 and is connected with the traction block 42 through threads, and two symmetrical positioning blocks 45 are arranged at the other end of the bottom of the support plate 41, the positioning blocks 45 support the other end of the support plate 41, so that the movement of the support plate 41 on the base plate 2 is more stable.

[0020] A driving assembly 46 for driving the lead screw 44 to rotate and drive the support plate 41 to move is arranged at the bottom of the base plate 2, the driving assembly 46 includes a motor 461 arranged at one end of the bottom of the base plate 2, the motor 461 is fixedly installed on one of the connecting frames 3, a belt 463 is arranged on the output shaft of the motor 461 through a driving wheel 462, the top of the belt 463 is in transmission connection with one end of the lead screw 44 through a driven wheel 464, the motor 461 is started, the output shaft of the motor 461 drives the driving wheel 462 to rotate, the driving wheel 462 drives the driven wheel 464 to rotate through the belt 463, the driven wheel 464 drives the lead screw 44 at the shaft center to rotate, the lead screw 44 drives the traction block 42 to slide in the inner side of the rotating groove 43 while rotating, the traction block 42 drives the support plate 41 to move on the base plate 2, thereby adjusting the position of the cell on the support plate 41, so that the cell is aligned with the detection camera 53, and the cell detection is more comprehensive.

[0021] Second embodiment In order to make the cell more stable when passing through the detection assembly 5 for detection, avoid the detection deviation caused by the movement of the cell, with reference to Figure 2The embodiment is provided with a positioning assembly 47 for limiting the position of the battery piece on the support plate 41. Specifically, the positioning assembly 47 includes two limiting plates 471 integrally formed on the top of the support plate 41 on both sides, respectively. The side of each limiting plate 471 close to the other limiting plate 471 is provided with a clamping plate 472. One side of the clamping plate 472 is bonded with a rubber plate 473. The two rubber plates 473 are in contact with the two sides of the battery piece, respectively, to provide protection for the battery piece and prevent damage to the battery piece during clamping. The side of each limiting plate 471 away from the other limiting plate 471 is provided with a connecting plate 474. Both ends of the connecting plate 474 are fixedly provided with a push rod 475. One end of the push rod 475 penetrates the limiting plate 471 and is fixedly connected with the clamping plate 472. The middle part of the connecting plate 474 is threadedly connected with a threaded shaft 476 having one end rotating with the limiting plate 471 through a bearing. The end of the threaded shaft 476 away from the limiting plate 471 is fixedly provided with a rotating block 477.

[0022] The battery piece to be detected is placed on the support plate 41. Then, the two rotating blocks 477 are rotated, respectively, to drive the threaded shaft 476 to rotate. When the threaded shaft 476 rotates, the connecting plate 474 is pushed to move towards the battery piece. The connecting plate 474 drives the push rod 475 to move. The push rod 475 pushes the clamping plate 472 and the rubber plate 473 to move towards the battery piece. The two rubber plates 473 clamp the battery piece, so that the battery piece is fixed on the support plate 41.

[0023] Third embodiment In order to stably and comprehensively detect the battery piece, improve the detection precision and production quality of the battery piece, with reference to Figure 1 The detection assembly 5 of the embodiment is arranged on the top of the support box 1 for comprehensively detecting the battery piece. Specifically, the detection assembly 5 includes a beam plate 51 fixedly installed on the support box 1. A detection box 52 is fixedly arranged on the beam plate 51. A detection camera 53 is detachably installed on the inner side of the detection box 52. A display screen 54 for displaying the detection data of the battery piece is fixedly installed on the top of the beam plate 51. The beam plate 51 is mainly used for supporting the detection box 52, the detection camera 53 and the display screen 54 to keep them stable for detecting the battery piece.

[0024] The detection camera 53 detects the battery piece fixed on the support plate 41. The detection data is displayed on the display screen 54, so as to know whether the detection result of the battery piece meets the requirements.

[0025] The positioning assembly 47 can fix different specifications of battery pieces on the support plate 41. The drive assembly 46 drives the support plate 41 to move. Then, the detection assembly 5 comprehensively detects the battery piece. The need for manual assistance for multiple measurements is avoided. Human error is reduced. The risk of omission of the edge or center area is reduced. The detection efficiency of the battery piece is improved.

[0026] In actual use, first, the battery piece to be detected is placed on the support plate 41, then the two rotating blocks 477 are rotated, the rotating blocks 477 drive the threaded shafts 476 on one side to rotate, the threaded shafts 476 push the connecting plates 474 to move towards the battery piece when rotating, the connecting plates 474 drive the push rods 475 at both ends to move, the two push rods 475 simultaneously push the clamping plates 472 at one end to move, the clamping plates 472 drive the rubber plates 473 on one side to move towards the battery piece, the two rubber plates 473 clamp the battery piece, so that the battery piece is fixed on the support plate 41, then the motor 461 is started, the output shaft of the motor 461 drives the driving wheel 462 to rotate, the driving wheel 462 drives the driven wheel 464 to rotate through the belt 463, the driven wheel 464 drives the lead screw 44 at the shaft center to rotate, the lead screw 44 drives the traction block 42 to slide in the rotating groove 43 at the same time, the traction block 42 drives the support plate 41 at the top to move on the base plate 2, the actual detection position of the battery piece on the support plate 41 is adjusted to be aligned with the detection camera 53, so that the battery piece is more comprehensively detected.

[0027] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A solar cell detection device, comprising a substrate (2) mounted on the top of a support box (1), and a connecting frame (3) fixed to both ends of the substrate (2) and fixed to the support box (1), characterized in that: The connecting frame (3) is provided with a moving component (4) for adjusting the detection position of the battery cell; The moving assembly (4) comprises a support plate (41) arranged on the top of the base plate (2), and a traction block (42) fixed to one end of the bottom of the support plate (41); a rotation groove (43) slidably connected to the traction block (42) is provided on the top of the base plate (2), and a screw rod (44) is provided on the inner side of the rotation groove (43); both ends of the screw rod (44) are rotatably connected to the base plate (2) through bearings; the screw rod (44) passes through the traction block (42) and is threadedly connected; two symmetrically distributed positioning blocks (45) are provided at the other end of the bottom of the support plate (41); a driving assembly (46) for driving the screw rod (44) to rotate and drive the support plate (41) to move is provided at the bottom of the base plate (2); and a positioning assembly (47) for limiting the position of the battery cell is provided on the support plate (41).

2. The solar cell detection device according to claim 1, characterized in that: The driving assembly (46) includes a motor (461) disposed at one end of the bottom of the base plate (2). The motor (461) is fixedly mounted on the connecting frame (3). A driving wheel (462) is fixedly disposed on the output shaft of the motor (461).

3. The solar cell detection device according to claim 2, characterized in that: The driving wheel (462) is provided with a belt (463) for transmission, and the top of the belt (463) is provided with a driven wheel (464) fixed to one end of the screw rod (44).

4. The solar cell detection device according to claim 1, characterized in that: The positioning assembly (47) includes limiting plates (471) integrally formed on both sides of the top of the support plate (41), and a clamping plate (472) is provided on each side of the two limiting plates (471) close to each other, and a rubber plate (473) is bonded to one side of the clamping plate (472).

5. The solar cell detection device according to claim 4, characterized in that: A connecting plate (474) is provided on one side of the two limiting plates (471) away from each other. Push rods (475) are fixedly provided at both ends of the connecting plate (474). One end of the push rod (475) passes through the limiting plate (471) and is fixedly connected to the clamping plate (472).

6. The solar cell detection device according to claim 5, characterized in that: The middle portion of the connecting plate (474) is threadedly connected to a threaded shaft (476), one end of the threaded shaft (476) is rotatably connected to the limiting plate (471) via a bearing, and a rotating block (477) is fixed to the end of the threaded shaft (476) away from the limiting plate (471).

7. The solar cell detection device according to claim 1, characterized in that: A detection assembly (5) for comprehensively detecting the battery cells is provided on the top of the support box (1); the detection assembly (5) comprises a beam plate (51) fixedly mounted on the support box (1); and a detection box (52) is fixedly provided on the beam plate (51).

8. The solar cell detection device according to claim 7, characterized in that: A detection camera (53) is detachably mounted on the inner side of the detection box (52), and a display screen (54) for displaying detection panel data is fixedly mounted on the top of the beam plate (51).

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